function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Broad, Gavin R. & Shaw, Mark R. & Godfray, H. Charles J.', 4],
    ['Singh, Longjam Roni Kumar & Chandra, Kailash & Gupta, Devanshu', 1],
    ['Sohn, Ju-Hyeong & van Achterberg, Cornelis & Yu, Yeonghyeok', 3],
    ['Sohn, JuHyeong & Achterberg *, Cornelis van & Han, Yun Jong', 5],
    ['Zhu, Jia-Chen & Achterberg, Cornelis van & Chen, Xue-Xin', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=14)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 5, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);